package collection;

import java.util.*;

/**
 * 对List集合进行自然排序*/
public class SortListDemo {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        Random random = new Random();
        for(int i=0; i<10;i++){
            list.add(random.nextInt(100));
        }
        System.out.println(list);
        Collections.sort(list);//排序
        System.out.println(list);

        Collections.shuffle(list);//乱序
        System.out.println(list);
    }
}
